/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.Usuario;
import org.hibernate.Query;
import org.hibernate.Session;
import util.Criptografia;
import util.HibernateUtil;

/**
 *
 * @author charles.serrato
 */
public class Login extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            String login = (String) request.getParameter("username");
            String senha = (String) request.getParameter("password");
            //Usuario usuario = new Usuario();
            //usuario.setNome("Charles");
            //usuario.setSenha("teste");
            //usuario.setLogin("charles");
            
            Session session = HibernateUtil.getSessionFactory().getCurrentSession();
            
            session.beginTransaction();
            
            senha = Criptografia.md5(senha);
            
            Query select = session.createQuery("From Usuario "+
                    " Where login = :login "+
                    " AND senha = :senha");
            select.setParameter("login", login);
            select.setParameter("senha", senha);
                        //Query select = session.createQuery("From Usuario");
            
            Usuario u = (Usuario) select.uniqueResult();
            
            //session.save(usuario);
            
            session.getTransaction().commit();
                         
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet serv</title>");            
            out.println("</head>");
            out.println("<body>");
            
            //for (Usuario u : objetos) {
                out.println("<h1>Nome: " + u.getNome() + "</h1>");
                out.println("<h1>Login: " + u.getLogin() + "</h1>");
                out.println("<h1>Senha: " + u.getSenha() + "</h1>");
                out.println("<h1><br></h1>");
             //}
           
            out.println("</body>");
            out.println("</html>");
            
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //processRequest(request, response);
        doPost(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
